At that simple code, why python node does not return a list of numbers, Please have a look at the picture.
Iâve never created my own classes in python, but could that be the case? Youâre defining a new class and it seems to be returning the class object. My question would be âWhy does it need to be new class?â I realize this is probably a simplified example, but unless youâre using the class with another custom class it seems unnecessary.
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Looking at this some more and Iâm guessing you may be new to Python (or at least IronPython) as your syntax is a little off. Besides not needing to define a class for a new function, Python would actually use return instead of print since there really is no print function. You also donât need to wrap your range in a list as itâs already considered one.
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There is a print function in later releases 
It just goes to the Console, so is really only for debugging purposes.
Agreed with @Nick_Boyts - try replacing your print (number) with return number
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Thanks for reply , actually, Iâm posting that code only for testing, apparently, there are several bugs regarding classes in python nodes.
Unfortunately, return number gives an error:
type error, init() should return none, not list
Youâre returning the class itself not the output. I havenât worked with classes much in dynamo, but I think you want to have some thing like âOUT = test1.Numberâ to get the class member
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youâre returning your class, not a list - as @jpeele said above.
you should do
self.number = list blah blah blah
then OUT=test.number to return the member.
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